Rapid material returning type flow dividing cover of ultrafine grinder

Abstract

The utility model relates to the technical field of ultrafine grinders, in particular to a rapid material returning type flow dividing cover of an ultrafine grinder. Comprising a shunting cover, a frame body, an upper cover, a grading wheel, a crushing disc and a plurality of connecting assemblies, each connecting assembly comprises a guide frame, a guide arc block, a limiting arc block, a movable block and an abutting spring, the shunting cover is provided with a groove, the frame body is provided with a fixing hole, the movable block is movably connected with the shunting cover and located in the groove, and the two ends of the abutting spring are fixedly connected with the movable block and the frame body respectively. The limiting arc block is fixedly connected with the movable block and located on the outer side wall of the movable block, the limiting arc block is matched with the fixing hole, the guiding frame is fixedly connected with the rack body and located above the rack body, the guiding arc block is fixedly connected with the guiding frame and located in the guiding frame, and the guiding arc block is movably matched with the limiting arc block. Through the arrangement of the structure, the shunting cover can be conveniently disassembled and assembled on the frame body, and the operation is simple and convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of ultrafine pulverizers, in particular to a quick-return type flow divider cover of an ultrafine pulverizer. Background Art

[0002] Ultrafine pulverizer is a device that uses air separation, heavy pressure grinding and shearing to achieve ultrafine grinding of dry materials. At present, ultrafine pulverizer needs to be used with a diverter cover. The existing diverter cover usually consists of two parts: a frame and a cone shell. The cone shell is provided with an inspection door, and the frame and the cone shell are connected by several reinforcing ribs. The frame feed port is provided with a feed cap. Due to the relatively simple structure of the existing diverter cover, the diversion, guidance and reflux effects of the crushed materials are not good, especially for the coarse materials in the coarse and fine layer materials that rise to the grading wheel. It is even more difficult to achieve a rapid reflux crushing effect, resulting in a slow return speed of the coarse materials, which causes the ultrafine pulverizer to have too low production capacity. At the same time, there is also a phenomenon that the host current cannot be reduced for a long time after the pulverizer feeding is stopped.

[0003] In the prior art patent CN215140499U discloses a fast return type diverter hood of an ultrafine pulverizer. By being arranged in the pulverizing chamber of the ultrafine pulverizer, the pulverized material passes through the diverter hood for fast diversion, guidance and reflux, thereby improving the production capacity of the ultrafine pulverizer and solving the problem that the main machine current can be reduced in a short time after the pulverizer stops feeding.

[0004] However, the existing splitter cover needs a large number of bolts to be fixed on the frame, and the subsequent disassembly and assembly process of the splitter cover needs to spend a large amount of manpower and time, and the operation is troublesome. Utility Model Content

[0005] The utility model aims to provide a quick-return type diverter hood for an ultrafine pulverizer, which solves the problem that the existing diverter hood needs more bolts to be fixed on the frame, and the subsequent disassembly and assembly process of the diverter hood needs more manpower and time, and the operation is cumbersome.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts a quick-return type flow divider of an ultra-fine pulverizer, comprising a flow divider, a frame, an upper cover, a grading wheel, a crushing disk and a plurality of connecting components, wherein the upper cover is fixedly connected to the flow divider and is above the flow divider, the grading wheel is arranged in the upper cover, the crushing disk is arranged in the frame, the flow divider is located between the grading wheel and the crushing disk, the connecting component comprises a guide frame, a guide arc block, a limit arc block, a movable block and a holding spring, the flow divider has a groove, and the frame has a fixed The movable block is movably connected to the diverter cover and is located in the groove, the two ends of the retaining spring are respectively fixedly connected to the movable block and the frame body and are located in the groove, the limiting arc block is fixedly connected to the movable block and is located on the outer side wall of the movable block, and the limiting arc block is adapted to the fixed hole, the guide frame is fixedly connected to the frame body and is located above the frame body, the guide arc block is fixedly connected to the guide frame and is located in the guide frame, and the guide arc block and the limiting arc block are movably matched.

[0007] Wherein, the connecting assembly further comprises a pressing block, which is movably connected to the frame and is located in the fixing hole.

[0008] Wherein, the connecting assembly also includes a friction pad, which is fixedly connected to the limiting arc block and is located on the outer side wall of the limiting arc block.

[0009] Wherein, the rapid return type diverter hood of the ultrafine pulverizer further comprises a protective component, and the protective component is arranged in the diverter hood.

[0010] Among them, the protective assembly includes multiple inner protective plates, multiple return springs and multiple rubber pads. The multiple inner protective plates are all arranged in the diverter cover. The two ends of each return spring are respectively fixedly connected to the diverter cover and the corresponding inner protective plate. Each rubber pad is respectively fixedly connected to the corresponding inner protective plate and is respectively located on the inner side wall of the inner protective plate.

[0011] Wherein, the protection component further includes a plurality of limit rods, each of which is fixedly connected to the corresponding inner protection plate and passes through the diverter cover, and the plurality of limit rods are movably connected to the diverter cover.

[0012] The utility model discloses a quick return type diverter hood of an ultra-fine pulverizer, when the diverter hood is installed in the frame, the plurality of limit arc blocks on the outside of the diverter hood are respectively aligned with the plurality of guide frames above the frame, each of the limit arc blocks respectively enters the guide frame and is squeezed with the guide arc block, and the limit arc block will enter the groove to drive the movable block to squeeze the holding spring. When the plurality of grooves of the diverter hood respectively correspond to the plurality of fixing holes of the frame one by one, the rebound force of each holding spring will drive the limit arc block to enter the fixing hole. At this time, the diverter hood is fixedly installed in the frame. When the diverter hood is disassembled in the frame, the limit arc blocks are moved out in the plurality of fixing holes, and then the diverter hood is separated from the frame. Through the above method, it is achieved that the diverter hood can be easily disassembled and assembled on the frame, and the operation is simple. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0014] Figure 1 It is a structural schematic diagram of the splitter cover of the first embodiment of the utility model.

[0015] Figure 2 It is a cross-sectional view of the overall internal structure of the first embodiment of the utility model.

[0016] Figure 3 The utility model Figure 2 A magnified view of the local structure at A.

[0017] Figure 4 It is a cross-sectional view of the overall internal structure of the second embodiment of the utility model.

[0018] Figure 5 The utility model Figure 4 Enlarged view of the local structure at point B.

[0019] 101-diverter cover, 102-frame, 103-upper cover, 104-grading wheel, 105-crushing disc, 106-guide frame, 107-guide arc block, 108-limiting arc block, 109-movable block, 110-holding spring, 111-pressing block, 112-friction pad, 113-fixing hole, 114-groove, 201-inner protective plate, 202-reset spring, 203-rubber pad, 204-limiting rod. DETAILED DESCRIPTION

[0020] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0021] First embodiment

[0022] See also Figure 1 to Figure 3 ,in Figure 1 is a schematic structural diagram of the splitter cover of the first embodiment, Figure 2 is a cross-sectional view of the overall internal structure of the first embodiment, Figure 3 yes Figure 2 A magnified view of the local structure at A.

[0023] The utility model provides a quick-return type flow divider of an ultrafine pulverizer: comprising a flow divider 101, a frame 102, an upper cover 103, a grading wheel 104, a crushing disc 105 and a plurality of connecting components, wherein the connecting components comprise a guide frame 106, a guide arc block 107, a limit arc block 108, a movable block 109, a holding spring 110, a pressing block 111 and a friction pad 112. The above-mentioned solution solves the problem that the existing flow divider 101 needs more bolts to be fixed on the frame 102, and the subsequent disassembly and assembly process of the flow divider needs to spend more manpower and time, and the operation is troublesome.

[0024] According to this specific embodiment, the upper cover 103 is fixedly connected to the diverter cover 101, and the classifying wheel 104 is arranged in the upper cover 103 above the diverter cover 101, and the crushing disk 105 is arranged in the frame 102, and the diverter cover 101 is located between the classifying wheel 104 and the crushing disk 105. By setting the diverter cover 101 in the crushing chamber of the ultrafine grinder, the crushed material will be quickly diverted, guided and refluxed through the diverter cover 101. In the above process, the production capacity of the ultrafine grinder can be improved, and the effect of the main machine current being able to be reduced in a short time after the grinder stops feeding is solved.

[0025] The splitter cover 101 has a groove 114, the frame 102 has a fixing hole 113, the movable block 109 is movably connected to the splitter cover 101 and is located in the groove 114, the two ends of the holding spring 110 are respectively fixedly connected to the movable block 109 and the frame 102, and are located in the groove 114, the limiting arc block 108 is fixedly connected to the movable block 109 and is located on the outer side wall of the movable block 109, and the limiting arc The block 108 is adapted to the fixing hole 113, the guide frame 106 is fixedly connected to the frame 102 and is located above the frame 102, the guide arc block 107 is fixedly connected to the guide frame 106 and is located in the guide frame 106, and the guide arc block 107 is movably matched with the limiting arc block 108. When the diverter cover 101 is installed in the frame 102, the plurality of limiting arc blocks 108 on the outer side of the diverter cover 101 are respectively Align the plurality of guide frames 106 above the frame 102, each of the limiting arc blocks 108 enters the guide frame 106 and is pressed against the guide arc block 107, and the limiting arc block 108 enters the groove 114 to drive the movable block 109 to press against the holding spring 110. When the plurality of grooves 114 of the splitter cover 101 correspond to the plurality of fixing holes 113 of the frame 102, the rebound force of each holding spring 110 is It will drive the limiting arc block 108 to enter the fixing hole 113. At this time, the diverter cover 101 is fixedly installed in the frame 102. When the diverter cover 101 is disassembled in the frame 102, the limiting arc block 108 is moved out in the multiple fixing holes 113, and then the diverter cover 101 is separated from the frame 102. Through the above method, it is possible to easily disassemble and assemble the diverter cover 101 on the frame 102, and the operation is simple.

[0026] Secondly, the pressing block 111 is movably connected to the frame 102 and is located in the fixing hole 113. By setting the pressing block 111 in the fixing hole 113, when the diverter cover 101 is disassembled, the limiting arc block 108 is pressed out of the fixing hole 113, and then the diverter cover 101 is separated in the frame 102.

[0027] At the same time, the friction pad 112 is fixedly connected to the limiting arc block 108 and is located on the outer wall of the limiting arc block 108. By arranging the rubber pad 203 on the limiting arc block 108, the rubber pad 203 can increase the stability of the fixation of the limiting arc block 108 and the fixing hole 113.

[0028] When the diverter cover 101 is installed in the frame 102, the plurality of limit arc blocks 108 on the outside of the diverter cover 101 are aligned with the plurality of guide frames 106 above the frame 102, and each of the limit arc blocks 108 enters the guide frame 106 and is squeezed with the guide arc block 107. The limit arc block 108 enters the groove 114 and drives the movable block 109 to squeeze the holding spring 110. When the plurality of grooves 114 of the diverter cover 101 correspond to the plurality of fixing holes 113 of the frame 102 one by one, the rebound force of each of the holding springs 110 drives the limit arc block 108 to enter the fixing hole 113. At this time, the diverter hood 101 is fixedly installed in the frame 102. When the diverter hood 101 is disassembled in the frame 102, a plurality of pressing blocks 111 are pressed on the frame 102, and each pressing block 111 moves the limiting arc block 108 out of the fixing hole 113 respectively, and then the diverter hood 101 is separated from the frame 102; in addition, the rubber pad 203 is arranged on the limiting arc block 108, and the rubber pad 203 can increase the fixation of the limiting arc block 108 and the fixing hole 113. Through the above method, it is achieved that the diverter hood 101 can be easily disassembled and assembled on the frame 102, and the operation is simple.

[0029] Second embodiment

[0030] See also Figure 4 and Figure 5 ,in Figure 4 is a cross-sectional view of the overall internal structure of the second embodiment, Figure 5 yes Figure 4 Enlarged view of the local structure at point B.

[0031] On the basis of the first embodiment, the quick-return type diversion cover of the ultrafine pulverizer of the utility model further includes a protection component, which includes a plurality of inner protection plates 201 , a plurality of return springs 202 , a plurality of rubber pads 203 and a plurality of limit rods 204 .

[0032] The protective component is arranged in the diverter hood 101. By arranging the protective component in the diverter hood 101, the inner wall of the diverter hood 101 can be prevented from directly contacting with hard granular materials, thereby preventing the diverter hood 101 from being damaged and increasing the service life of the diverter hood 101.

[0033] A plurality of inner protective plates 201 are arranged in the diverter hood 101, and both ends of each of the return springs 202 are fixedly connected to the diverter hood 101 and the corresponding inner protective plate 201, respectively. Each of the rubber pads 203 is fixedly connected to the corresponding inner protective plate 201, and are respectively located on the inner side walls of the inner protective plate 201. By arranging the inner protective plate 201 on the inner wall of the diverter hood 101, during the operation of the equipment, the material will contact the inner protective plate 201 to avoid contact and collision between the material and the inner wall of the diverter hood 101. The return spring 202 will support the inner protective plate 201. When the inner protective plate 201 is hit, the return spring 202 will be compressed, and the force of the return spring 202 will be used for buffering. In the above manner, the diverter hood 101 is protected and the service life of the diverter hood 101 is improved.

[0034] Each of the limiting rods 204 is fixedly connected to the corresponding inner protective plate 201 and passes through the diverter cover 101, and multiple limiting rods 204 are movably connected to the diverter cover 101. By setting the limiting rods 204, the stability of the inner protective plate 201 in the diverter cover 101 can be increased, and the inner protective plate 201 can be prevented from shaking in the diverter cover 101.

[0035] By arranging the inner protective plate 201 on the inner wall of the diverter hood 101, during the operation of the equipment, the material will contact the inner protective plate 201 to avoid contact and collision between the material and the inner wall of the diverter hood 101, and the return spring 202 will support the inner protective plate 201. The inner protective plate 201 will compress the return spring 202 when it is hit, and the force of the return spring 202 will be used for buffering. In the above manner, the diverter hood 101 is protected and the service life of the diverter hood 101 is increased. In addition, by arranging the limit rod 204, the limit rod 204 can increase the stability of the inner protective plate 201 in the diverter hood 101 to avoid shaking of the inner protective plate 201 in the diverter hood 101.

[0036] The above disclosures are only two preferred embodiments of the present invention, which certainly cannot be used to limit the scope of the present invention. A person skilled in the art can understand that all or part of the processes of the above embodiments and equivalent changes made according to the claims of the present invention still fall within the scope of the present invention.

Claims

1. A quick return type flow divider of an ultrafine pulverizer, comprising a flow divider, a frame, an upper cover, a classification wheel and a crushing disk, wherein the upper cover is fixedly connected to the flow divider and is above the flow divider, the classification wheel is arranged in the upper cover, the crushing disk is arranged in the frame, the flow divider is located between the classification wheel and the crushing disk, and is characterized in that: It also includes multiple groups of connecting components, which include a guide frame, a guide arc block, a limit arc block, a movable block and a supporting spring. The diverter cover has a groove, and the frame has a fixed hole. The movable block is movably connected to the diverter cover and is located in the groove. The two ends of the supporting spring are respectively fixedly connected to the movable block and the frame and are located in the groove. The limit arc block is fixedly connected to the movable block and is located on the outer side wall of the movable block, and the limit arc block is adapted to the fixed hole. The guide frame is fixedly connected to the frame and is located above the frame. The guide arc block is fixedly connected to the guide frame and is located in the guide frame, and the guide arc block and the limit arc block are movably matched.

2. The quick-return type splitter cover of the ultrafine pulverizer according to claim 1, characterized in that: The connecting assembly also includes a pressing block, which is movably connected to the frame and is located in the fixing hole.

3. The quick return type splitter cover of the ultrafine pulverizer according to claim 2, characterized in that: The connecting assembly also includes a friction pad, which is fixedly connected to the limiting arc block and is located on the outer side wall of the limiting arc block.

4. The quick-return type splitter cover of the ultrafine pulverizer according to claim 1, characterized in that: The quick-return type flow divider of the ultrafine pulverizer further comprises a protection component, and the protection component is arranged in the flow divider.

5. The quick return type splitter cover of the ultrafine pulverizer according to claim 4, characterized in that: The protective assembly includes multiple inner protective plates, multiple return springs and multiple rubber pads. The multiple inner protective plates are arranged in the diverter cover. The two ends of each return spring are respectively fixedly connected to the diverter cover and the corresponding inner protective plate. Each rubber pad is respectively fixedly connected to the corresponding inner protective plate and is respectively located on the inner side wall of the inner protective plate.

6. The quick-return type splitter cover of the ultrafine pulverizer according to claim 5, characterized in that: The protection assembly further includes a plurality of limiting rods, each of which is fixedly connected to the corresponding inner protection plate and passes through the diverter cover, and the plurality of limiting rods are movably connected to the diverter cover.

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